/*实例列表样式设置*/
div#general-frame {
    width: 50%;
    margin-left: 20%;
    padding-top: 5%;
    align-items: center;
}
div#general-frame table {
    margin: 1em 0;
    border-collapse: collapse;
    width: 100%;
}
div#general-frame table td, div#general-frame table th {
    border: 1px solid #eee;
    padding: .6em 10px;
    text-align: center;
}